gulp文件

深碍√TFBOYSˉ_ 2022-06-11 05:10 157阅读 0赞

//gulpfile.js
     'use strict';
    /** * 1. LESS编译 压缩 合并 * 2. JS合并 压缩 混淆 * 3. img复制 * 4. html压缩 */
    
    // 在gulpfile中先载入gulp包，因为这个包提供了一些API
    var gulp = require('gulp');
    var less = require('gulp-less');
    var cssnano = require('gulp-cssnano');
    
    // 1. LESS编译 压缩 --合并没有必要，一般预处理CSS都可以导包
    gulp.task('style', function() { 
      // 这里是在执行style任务时自动执行的
      gulp.src(['src/styles/*.less', '!src/styles/_*.less'])
        .pipe(less())
        .pipe(cssnano())
        .pipe(gulp.dest('dist/styles'))
        .pipe(browserSync.reload({
          stream: true
        }));
    });
    
    var concat = require('gulp-concat');
    var uglify = require('gulp-uglify');
    
    // 2. JS合并 压缩混淆
    gulp.task('script', function() { 
      gulp.src('src/scripts/*.js')
        .pipe(concat('all.js'))
        .pipe(uglify())
        .pipe(gulp.dest('dist/scripts'))
        .pipe(browserSync.reload({
          stream: true
        }));
    });
    
    // 3. 图片复制
    gulp.task('image', function() { 
      gulp.src('src/images/*.*')
        .pipe(gulp.dest('dist/images'))
        .pipe(browserSync.reload({
          stream: true
        }));
    });
    
    var htmlmin = require('gulp-htmlmin');
    // 4. HTML
    gulp.task('html', function() { 
      gulp.src('src/*.html')
        .pipe(htmlmin({
          collapseWhitespace: true,
          removeComments: true
        }))
        .pipe(gulp.dest('dist'))
        .pipe(browserSync.reload({
          stream: true
        }));
    });
    
    var browserSync = require('browser-sync');
    gulp.task('serve', function() { 
      browserSync({
        server: {
          baseDir: ['dist']
        },
      }, function(err, bs) { 
        console.log(bs.options.getIn(["urls", "local"]));
      });
    
      gulp.watch('src/styles/*.less',['style']);
      gulp.watch('src/scripts/*.js',['script']);
      gulp.watch('src/images/*.*',['image']);
      gulp.watch('src/*.html',['html']);
    });